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Titania Nanofilms and Their Doped Equivalents

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    0329702 - ÚCHP 2010 BG eng C - Conference Paper (international conference)
    Krejčíková, Simona - Matějová, Lenka - Šolcová, Olga - Čapek, L.
    Titania Nanofilms and Their Doped Equivalents.
    [Tenké vrstvy oxidu titaničitého a jeho kovy dopovaných ekvivalentů.]
    Book of Abstracts. Sofia: -, 2009 - (Petrova, G.; Vayssilov, G.), s. 61. ISBN 978-954-323-558-2.
    [International Symposium Advanced Micro- and Mesoporous Materials /3./. Albena (BG), 06.09.2009-09.09.2009]
    R&D Projects: GA AV ČR KAN400720701; GA ČR(CZ) GD203/08/H032
    Institutional research plan: CEZ:AV0Z40720504
    Keywords : titania * photocatalysis * thin layer
    Subject RIV: CC - Organic Chemistry
    http://bg-conferences.org/micro2009_new_1/

    Titania belong to nanoporous materials with huge application potential in photocatalysis, dye-sensitized photoelectrochemical cells, electrochromic devices, sensors and other applications, especially in the form of nanolayers. Doping with metals has been largely employed with the aim to enhance the photocatalytic activity of TiO2. Differences in surface morfology, texture and crystallinity influence their catalytic impact. Therefore special attention is focused on the detailed textural and structural characterizations of thin titania-zirconia nanolayers prepared by sol-gel templated route. Gel nanolayers were prepared by three-times repeated dip-coating of silica glass into transparent homogeneous sol. Transparent amorphous gel layer was converted to crystalline layer by calcination. For deeper textural and structural characterization of prepared layers nitrogen physical adsorption, XRD, elementar analyses and UV-VIS spectra were performed.

    Oxid titaničitý je polovodič, který absorbuje světlo v blízké UV oblasti. Toho lze využít v rozsáhlém počtu aplikací. Přídavkem vhodného kovu lze pozměnit některé vlastnosti TiO2.
    Permanent Link: http://hdl.handle.net/11104/0175663
     
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